ByteSizeValue heapByteSizeValueMax = mock(ByteSizeValue.class);
when(heapByteSizeValueMax.bytes()).thenReturn(123456L);
when(jvmStatsMem.getHeapMax()).thenReturn(heapByteSizeValueMax);
when(jvmStatsMem.getHeapUsed()).thenReturn(heapByteSizeValueMax);
when(jvmStats.mem()).thenReturn(jvmStatsMem);
when(jvmService.stats()).thenReturn(jvmStats);
bind(JvmService.class).toInstance(jvmService);
bind(ReferenceResolver.class).to(GlobalReferenceResolver.class).asEagerSingleton();